21977880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7963}}^1$

素因数の和:8000

約数の個数: 64

約数和(自身を含む): 68808960

約数和(自身を除く): 46831080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7963, 15926, 23889, 31852, 39815, 47778, 63704, 79630, 95556, 119445, 159260, 183149, 191112, 238890, 318520, 366298, 477780, 549447, 732596, 915745, 955560, 1098894, 1465192, 1831490, 2197788, 2747235, 3662980, 4395576, 5494470, 7325960, 10988940, 21977880]

約数ペア:

[(1, 21977880), (2, 10988940), (3, 7325960), (4, 5494470), (5, 4395576), (6, 3662980), (8, 2747235), (10, 2197788), (12, 1831490), (15, 1465192), (20, 1098894), (23, 955560), (24, 915745), (30, 732596), (40, 549447), (46, 477780), (60, 366298), (69, 318520), (92, 238890), (115, 191112), (120, 183149), (138, 159260), (184, 119445), (230, 95556), (276, 79630), (345, 63704), (460, 47778), (552, 39815), (690, 31852), (920, 23889), (1380, 15926), (2760, 7963)]